JPH0277380A - Motorcycle/tricycle - Google Patents

Abstract

PURPOSE:To reduce the size of a car body and to store a large-size helmet by disposing frames on both sides of a power unit, disposing a helmet storing box above the power unit, supporting same by a frame and using a seat as a cover in a motorcycle or tricycle having a rear body. CONSTITUTION:A pair of frame members 27, 27 are disposed extending from the main frame rear portion towards the car body on both sides of a power unit 20 to support a helmet storing box 15. At this time, the base portion of the helmet storing box 15 is disposed close to the power unit 20. The upper opening portion 15b of the helmet storing box 15 is covered with a seat 12 which can be freely opened and closed. By this arrangement, the car body can be reduced in size and weight, and the seat height can be lowered to ensure a large-size helmet storing space.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a motorcycle or tricycle equipped with a rear body at the rear of the vehicle body, and more specifically, a large-capacity helmet storage box that can store a helmet inside the rear body. Regarding the rear body structure that ensures

[Conventional technology]

In conventional automatic knee tricycles, such as scooters and family bikes, the helmet is hung on a helmet holder on the vehicle body, but because the helmet is exposed and hung outside the vehicle body, it can be easily soiled by rain or dust. Because of this possibility, a motorcycle as shown in, for example, Japanese Utility Model Application Publication No. 59-26089 has been proposed.

This technology attaches a seat to the vehicle body frame so that it can be opened and closed, secures a storage space at the bottom of the seat that is larger than the external contour of the helmet, and has an approximately hemispherical upper part that follows the internal contour of the helmet. A shaped fuel tank is provided, and by covering the fuel tank with a helmet, the helmet is accommodated under the seat.

[Problem that the invention seeks to solve]

However, in the above-mentioned vehicle, the body frame on which the helmet storage box is placed is located far above the engine, so the rear of the vehicle inevitably becomes larger, the weight of the vehicle increases, and the seat height becomes higher. was.

The present invention was made against this background, and its purpose is to reduce the size and weight of the vehicle body, reduce the seat height, and secure a sufficient volume for accommodating a helmet inside the rear body. It's about doing.

[Means for solving problems]

In order to achieve the above object, in a motorcycle or tricycle equipped with a rear body at the rear part of the vehicle that is continuous with a low step floor, a helmet storage box having at least a bottom part is disposed inside the rear body, and a helmet storage box that is connected to the engine and the rear body is disposed inside the rear body. The front end of the power unit, which is integrated with a transmission mechanism that transmits engine output to the rear wheels, is pivoted to the vehicle body, and the power unit is placed below the helmet storage box so as to be able to swing vertically, and on the left and right sides of the power unit, A pair of frame members are provided, the helmet storage box is supported by the frame members so that the bottom portion is close to the power unit, and a seat is pivotally attached to the upper end of the helmet storage box to cover the upper part of the helmet storage box in an openable and closable manner. It is characterized by its support.

[For production]

The helmet storage box inside the rear body is supported by the frame members on the left and right sides of the power unit, so the height of the rear body, that is, the seat height, can be suppressed.

Further, since the front wall of the helmet storage box is raised obliquely upward from the rising portion of the rear end of the step floor, a large storage volume of the helmet storage box is ensured, and a large opening area can be secured. Furthermore, the front wall, which stands up longer than the upright side, absorbs running vibrations transmitted to the seat.

〔Example〕

Hereinafter, an embodiment in which the present invention is applied to a two-wheeled scooter will be described based on the drawings.

The scooter 1 includes a leg shield 4 at the front of a step floor 3 provided on a low-floor main frame 2, and a rear cover 6 surrounding the rear of a rising portion 5 continuous to the rear end of the step floor 3. It is equipped with a rear body 7.

A front fork 9 that is steered by a bar handle 8 is provided inside the leg shield 4, and a front wheel 11 is suspended from the lower end of the fork 9 via a front suspension 10.

A seat 12 having a protrusion 12b at the rear of the passenger seat 12a is disposed in the upper part of the rear body 7, and the inside of the rear body 7 covered with this seat 12 is a lower frame disposed over the rear of the vehicle body. A large helmet storage box 15 is provided on the front side of the partition plate 14, and a storage space 16 on the rear side is provided with a storage space 16 for storing fuel. Tank 17 and battery 18
and are provided.

Below the lower frame 13, a power unit 20 with a rear wheel 19 suspended at the rear is pivotally supported at its front end by a bracket 21 fixed to the main frame 2, and whose rear end is supported by a rear suspension 22 in the vertical direction. It is arranged so that it can swing to.

The power unit 20 is configured by integrating an engine 23 and a transmission mechanism 24, and has traps such as an air cleaner 25 and a carburetor 26 assembled on the outside.

A pair of frame members 27.27 are provided close to each other on the left and right sides of the engine 23, extending from the rear of the main frame 2 toward the rear of the vehicle body, and the bottom of the helmet storage box 15 is supported by the frame members 27.27.

The rear suspension 22 that supports the rear side of the power unit 20 has its upper end connected to the lower part of the lower frame 13 and its lower end connected to the upper rear end of the power unit 20 rearward than the axle of the rear wheel 19, and is connected in the longitudinal direction of the vehicle body. This inclined arrangement ensures sufficient cushion stroke of the rear suspension 22 while suppressing the vertical height. .

The rear part of the lower frame 13 is a rear fender part 13a that curves and covers one lower rear wheel, and the battery 18 disposed on the upper surface of the rear fender part 13a is attached to a stay 28.
The fuel tank 17 is supported by the partition plate 14, and is screwed to the partition plate 14.

In order to secure a predetermined volume at a position close to the center of gravity of the vehicle, the fuel tank 17 has a front portion provided with a cap 17a that protrudes into an internal space 12c recessed within a protrusion 12b of the seat 12. The continuing rear side is arranged to extend to just in front of a stop lamp 29 attached to a rear cowl 6a at the rear of the rear body 7.

By increasing the volume of the fuel tank 17 in the vertical direction and effectively utilizing the dead space in the rear cowl 6a from a position close to the helmet storage box 15, the partition plate 14 can be moved toward the rear of the vehicle body. A large-capacity helmet storage box 15 is secured inside the rear body 7 on the front side of the partition plate 14.

The helmet storage box 15 is provided with a lining 30 on the inside of the rear cover 6, which surrounds both sides and the front. The front wall 15a of the helmet storage box 15, in which the rear cover 6 and the inner lining 30 are overlapped, rises from the rising portion 5 by tilting toward the front of the vehicle body, and further tilting toward the rear of the vehicle body when viewed from the side. It is formed in a dogleg shape, and has an upper opening 15b of the helmet storage box 15 and a partition plate 14 at the upper end of the front wall 15a.
The seat 1 covers the rear accommodation space 16 in an openable and closable manner.
2 is pivotally supported by a hinge 31.

The lower frame 13 includes a cover plate 32 having a protrusion 32a that protrudes toward the helmet storage box 15.
It is removably provided with screws 33 and is attached to the lower frame 13.
The bottom of the helmet storage box 15, which is comprised of the and cover plate 32, is supported by the frame members 27 and 27 so as to be close to the power unit 20 disposed below, thereby ensuring a swing space above the power unit 20. , the bottom of the helmet storage box 15 is lowered to increase the capacity.

The helmet storage box 15 configured as described above includes a helmet 34 with a visor that is worn when driving.
The visor 34a is housed in the front wall 15a that protrudes in a dogleg shape toward the front of the vehicle body, and the helmet 3
The main body of 4 is guided by the protrusion 32a of the cover plate 32 and stably held toward the front of the vehicle body, and is not damaged by vibration even when the parasenger's helmet is stored and the vehicle is driven.

Further, the helmet 34 can be easily taken in and taken out through the upper opening i5b of the helmet storage box 15 by unlocking the seat 12 and opening the seat 12 using the hinge 31 as a fulcrum.

Further, the front wall 15a of the helmet storage box 15 that protrudes above the step floor 3 is a dead space that does not come into contact with the shins of the lower legs even if the legs of the seated rider are located at the rearmost part of the step floor 3. Does not interfere with free driving posture.

On the other hand, if the cover plate 32 guides the helmet 34 stored in the helmet storage box 15 with its protrusion 32a as described above, the head of the engine 23 will move when the power unit 20 swings up and down. It is accommodated in the protrusion 32a of the cover plate 32 and allows the engine 23 to swing.

Also, by removing the cover plate 32, the helmet
From inside the storage box 15, maintenance of the auxiliary parts around the power unit such as the spark plug 35, the carburetor brake 26, the air cleaner 25, etc. arranged below can be easily performed.

In the above embodiment, the bottom of the helmet storage box is composed of the lower frame and the cover plate, but if the bottom is integrally formed with an inner lining, a dedicated bottom plate may be used separately.

It is also possible to form the front wall of the helmet storage box only with the rear cover instead of having a double wall structure of the rear cover and the inner lining.

Furthermore, the fuel tank may be placed at the front of the helmet storage box. In this case, the tank volume can be gained within the front wall, so the front and rear length of the fuel tank can be shortened, and the rear The helmet storage space can be expanded.

〔Effect of the invention〕

As described above, the present invention includes disposing a helmet storage box having at least a bottom inside a rear body, pivoting the front end of a power unit that integrates an engine and a transmission mechanism to the vehicle body, and moving the power unit into the helmet storage box. A pair of frame members are arranged on the left and right sides of the power unit, and a pair of frame members are arranged on the left and right sides of the power unit.
The helmet storage box is supported by a frame member so that the bottom portion is close to the power unit, and a seat that covers the top of the helmet storage box in an openable/closable manner is pivotally supported at the upper end of the helmet storage box. By lowering the bottom of the helmet storage box while securing swing space for the power unit between the two, a large-capacity helmet storage box can be obtained.

Furthermore, despite having a large-capacity helmet storage box, the vehicle weight does not increase and the rear body does not increase in size, allowing the seat height to be kept low.

In addition, the bottom of the helmet storage box, which is located next to the step floor and close to the power unit, allows
Since hot air warmed by the engine and mud splashing from under the vehicle body are prevented, there is no need to install a separate undercover or fender, which reduces the number of structural parts, and in conjunction with the large capacity helmet storage box. The noise from the power unit is transmitted to the passengers, allowing them to enjoy comfortable driving.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which FIG. 1 is a partially sectional side view of a scooter, and FIG. 2 is a sectional view taken along the line 1--2 of FIG.

Claims (1)

[Claims] 1. In a motorcycle or tricycle equipped with a rear body at the rear of the vehicle that is continuous with a low step floor, a helmet storage box having at least a bottom part is disposed inside the rear body, and the engine and the output of the engine are connected to the rear wheels. The front end of the power unit, which is integrated with the transmission mechanism that transmits The helmet storage box is supported by a frame member so that the bottom portion is close to the power unit, and a seat that covers the top of the helmet storage box in an openable and closable manner is pivotally supported at the upper end of the helmet storage box. Motorcycles and tricycles.